diff --git a/esper/docker/requirements.app.txt b/esper/docker/requirements.app.txt
index 5c633c1..1fffbff 100644
--- a/esper/docker/requirements.app.txt
+++ b/esper/docker/requirements.app.txt
@@ -22,7 +22,7 @@ redis==3.2.1
 scikit-learn==0.20.3
 
 pyopenssl==19.0.0
-psutil==5.6.1
+psutil==5.6.6
 pickle_cache==0.1.0
 iterextras==0.1.0